Update Source/platform/ to assume Oilpan only.

third_party/WebKit/Source/platform/graphics/filters/FEFlood.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 12 matching lines @@
 #ifndef FEFlood_h
 #define FEFlood_h
 
 #include "platform/graphics/Color.h"
 #include "platform/graphics/filters/FilterEffect.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT FEFlood final: public FilterEffect {
 public:
-    static RawPtr<FEFlood> create(Filter*, const Color&, float);
+    static FEFlood* create(Filter*, const Color&, float);
 
     Color floodColor() const;
     bool setFloodColor(const Color &);
 
     float floodOpacity() const;
     bool setFloodOpacity(float);
 
     // feFlood does not perform color interpolation of any kind, so the result is always in the current
     // color space regardless of the value of color-interpolation-filters.
     void setOperatingColorSpace(ColorSpace) override { }
 
     TextStream& externalRepresentation(TextStream&, int indention) const override;
 
 private:
     FEFlood(Filter*, const Color&, float);
 
     PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder&) override;
 
     Color m_floodColor;
     float m_floodOpacity;
 };
 
 } // namespace blink
 
 #endif // FEFlood_h